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85871361 = 338973583
BaseRepresentation
bin1010001111001…
…00101100000001
312222120201100210
411013210230001
5133440340421
612304304333
72061615552
oct507445401
9188521323
1085871361
1144521474
12249120a9
1314a37974
14b594329
157813576
hex51e4b01

85871361 has 8 divisors (see below), whose sum is σ = 114791040. Its totient is φ = 57099632.

The previous prime is 85871353. The next prime is 85871363. The reversal of 85871361 is 16317858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85871361 - 23 = 85871353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85871363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35625 + ... + 37958.

It is an arithmetic number, because the mean of its divisors is an integer number (14348880).

Almost surely, 285871361 is an apocalyptic number.

It is an amenable number.

85871361 is a deficient number, since it is larger than the sum of its proper divisors (28919679).

85871361 is a wasteful number, since it uses less digits than its factorization.

85871361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73975.

The product of its digits is 40320, while the sum is 39.

The square root of 85871361 is about 9266.6801498703. The cubic root of 85871361 is about 441.1803037900.

The spelling of 85871361 in words is "eighty-five million, eight hundred seventy-one thousand, three hundred sixty-one".

Divisors: 1 3 389 1167 73583 220749 28623787 85871361